The Park family would like to prepare next month's family budget by forecasting its family expenses. The following data show the amount of money spent on food for the last 10 months. Completeparts a through d below.MonthDollars134323573294The best choice is thea) Forecast the family's food expenditures next month using a three-period simple moving average.The forecast for the family's food expenditures next month is $(Round to the nearest dollar as needed.)b)The forecast for the family's food expenditures next month is $(Round to the nearest dollar as needed.)d) Which forecast should you choose? Why?4336The forecast for the family's food expenditures next month is $(Round to the nearest dollar as needed.)c) Forecast the family's food expenditures next month using exponential smoothing with a = 0.1.5361because it has the6339Forecast the family's food expenditures next month using a three-period weighted moving average with weights 0.7, 0.2, and 0.1, applying 0.7 to the most recent data and 0.1 to the oldestdata.7322mean average deviation (MAD).8319937010350D

MonthDollar13432357329443365361633973228319937010350

Answered: The Park family would like to prepare…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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-ons Help Last edit was seconds ago Arial 9. BIU A + + ... 4. JOYFUL Fashion Company is reviewing the monthly sales in year 2021.The monthly sales (in millions) of each month were as below: Jan: $2.2 Feb: $2.5 Mar: $2.0 Apr: $2.8 May: $1.9 Jun: $0.9 Jul: $3.4 Aug: $3.7 Sep: $2.1 Oct: $2.5 Nov: $2.3 Dec: $4.6 (a) Find the mean, mode, standard deviation, and range of the above data. (b) Comment on the skewness of the above data. Explain your answer with the comparison of quartiles. The JOYFUL Fashion Company will issue a Gold Membership to customers with accumulated spending in January 2022 over 1% of 2021's average monthly sales and a Platinum Membership to customers with accumulated spending in January 2022 over 1% of the 80m percentile of 2021's monthly sales. (c) Mrs. Robinson has spent $27,450 in January 2022. Will she be qualified for the Gold Membership? Will she be qualified for the Platinum Membership? Explain your answers. (d) It is known that the average monthly sales from Jul…
Use excel in this question: The Motion Picture Distributors Association of Australia collects yearly data on gross box office takings of the films in Australia. Data is provided here for the years 1990-2004. (Unfortunately more recent data is not readily available.) Is the highest box office takings for a film related to the number of films screened in Australia that year? Year No. of films screened Highest box office ($ million) 1990 252 26.1 1991 240 19.22 1992 229 18.73 1993 259 31.74 1994 252 24.65 1995 253 17.93 1996 281 29.29 1997 285 22.7 1998 273 47.33 1999 255 38.72 2000 250 30.72 2001 245 32.05 2002 258 33.81 2003 268 37.14 2004 318 50.35 1. Produce a scatterplot of the relevant data. Comment on the appropriateness of analysing this data using a linear regression model. 2. Use the statistics from a regression analysis of this data to evaluate the evidence for a useful predictive linear relationship between the two variables at the 5%…
The Acme School of Locksmiths has been accredited for the past 15 years. Discuss how this information might be interpreted as a a. qualitative variable b. quantitative variable
please answer in text form and in proper format answer with must explanation , calculation for each part and steps clearly
FIND THE ANSWERS FOR B-2 and C. A survey found that Massachusetts residents spent an average of $861.75 on the lottery, more than three times the U.S. average. A researcher at a Boston think tank believes that Massachusetts residents spend less than this amount. He surveys 100 Massachusetts residents and asks them about their annual expenditures on the lottery. (You may find it useful to reference the t table.) Click here for the Excel Data File a. Specify the competing hypotheses to test the researcher’s claim.multiple choice 1 H0: μ ≥ 861.75; HA: μ < 861.75 b-1. Calculate the value of the test statistic. (Negative value should be indicated by a minus sign. Round final answer to 3 decimal places.) -0.863 b-2. Find the p-value.multiple choice 2 p-value < 0.01 0.01 p-value < 0.025 0.025 p-value < 0.05 0.05 p-value < 0.10 p-value 0.10 c. At α = 0.10, what is the conclusion?multiple choice 3 Reject H0; there is insufficient evidence…
The boxplots show data for state and local community expenditures on hospitals and highways. Hospitals Estimate Q1, Q2, and Q3 for hospital and highway spending. Highways Billions of Dollars
Can you do this in excel? Please send me to step by step solution. Thanks.
Use the accompanying 200 Los Angeles commute times to test the claim that the mean Los Angeles commute time is less than 32 minutes. Assume that a simple random sample has been selected. Use a 0.10 significance level. Compare the sample mean to the claimed mean of 32 minutes. Is the difference between those two values statistically significant? 451030302050151520254513402045151550251045151051560302020251542204540601520570104535126030307103010606035304510306010204520255515201210485254530903025203010253020903020151583025720306030102052520406020251590141520203545304040301045606025155725606060301515509010302520202030153053510404530104030453020401412040251020154015353060251053015601560303045154525103010153010283010301028153035452030 Identify the null and alternative hypotheses. H0: ▼ sigmaσ muμ pp ▼ equals= greater than> not equals≠ less than< enter your response here H1: ▼ sigmaσ pp muμ ▼ equals= less than< not equals≠ greater than> enter…
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